import pygame.font


class Button:
    def __init__(self, ai_settings, screen, msg):
        self.ai_settings = ai_settings
        # 初始化按钮属性
        self.screen = screen
        self.screen_rect = screen.get_rect()

        # 设置按钮的其他属性
        self.width, self.height = 200, 50
        self.button_color = (0, 255, 0)
        self.text_color = (255, 255, 255)
        self.font = pygame.font.SysFont(None, 48)

        # 创建按钮的rect和位置
        self.rect = pygame.Rect(0, 0, self.width, self.height)
        self.rect.center = self.screen_rect.center

        # 按钮的标签只需创建一次
        self.prep_msg(msg)

    def prep_msg(self, msg):
        # 把文字渲染成图片
        self.msg_iamge = self.font.render(
            msg,
            True,  # 是否开启抗锯齿
            self.text_color,  # 字颜色
            self.button_color  # 字背景颜色
        )
        self.msg_image_rect = self.msg_iamge.get_rect()
        self.msg_image_rect.center = self.rect.center

    def draw_button(self):
        self.screen.fill(self.button_color, self.rect)
        self.screen.blit(self.msg_iamge, self.msg_image_rect)